WO2013011898A1 - 香料担持吸着剤粒子、シガレット用フィルタ、フィルタ付きシガレットおよび香料担持吸着剤粒子の製造方法 - Google Patents
香料担持吸着剤粒子、シガレット用フィルタ、フィルタ付きシガレットおよび香料担持吸着剤粒子の製造方法 Download PDFInfo
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- WO2013011898A1 WO2013011898A1 PCT/JP2012/067724 JP2012067724W WO2013011898A1 WO 2013011898 A1 WO2013011898 A1 WO 2013011898A1 JP 2012067724 W JP2012067724 W JP 2012067724W WO 2013011898 A1 WO2013011898 A1 WO 2013011898A1
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- WIPO (PCT)
- Prior art keywords
- fragrance
- particles
- adsorbent
- cigarette
- perfume
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- B01J20/22—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising organic material
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- B01J20/28—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof characterised by their form or physical properties
- B01J20/28054—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof characterised by their form or physical properties characterised by their surface properties or porosity
- B01J20/28057—Surface area, e.g. B.E.T specific surface area
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- B01J20/28—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof characterised by their form or physical properties
- B01J20/28054—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof characterised by their form or physical properties characterised by their surface properties or porosity
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- B01J20/28066—Surface area, e.g. B.E.T specific surface area being more than 1000 m2/g
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- B01J20/3202—Impregnating or coating ; Solid sorbent compositions obtained from processes involving impregnating or coating characterised by the carrier, support or substrate used for impregnation or coating
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- B01J20/3231—Impregnating or coating ; Solid sorbent compositions obtained from processes involving impregnating or coating characterised by the coating or impregnating layer
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- B01J20/3231—Impregnating or coating ; Solid sorbent compositions obtained from processes involving impregnating or coating characterised by the coating or impregnating layer
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- B01J20/3268—Macromolecular compounds
- B01J20/3272—Polymers obtained by reactions otherwise than involving only carbon to carbon unsaturated bonds
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Definitions
- the present invention relates to a perfume-carrying adsorbent particle, a cigarette filter, a cigarette with a filter, and a method for producing a perfume-carrying adsorbent particle.
- Patent Document 1 discloses a fragrance bead in which the surface of a particulate carrier such as activated carbon is covered with a glucan film containing a fragrance.
- the particulate carrier is put into a fluidized granulation dryer, and a glucan aqueous solution or aqueous dispersion containing the perfume is continuously or intermittently added while blowing warm air at 80 ° C. or lower.
- the first object of the present invention is to provide perfume-carrying adsorbent particles carrying a relatively large amount of perfume in a relatively short time.
- Another object of the present invention is to provide a cigarette filter including such a fragrance-carrying adsorbent particle, and a cigarette with a filter.
- an object of the present invention is to provide a method for producing perfume-carrying adsorbent particles.
- an adsorbent core particle having a BET specific surface area of 700 m 2 / g or more, supported on the surface of the adsorbent core particle,
- a fragrance-carrying adsorbent particle comprising a fragrance-generating medium containing a fragrance-holding material for holding a fragrance, wherein the fragrance-holding material is present in an amount of 5 to 20% of the total weight of the fragrance-carrying adsorbent particle,
- a perfume-carrying adsorbent particle is provided, wherein the perfume is present in an amount of 10 to 50% of the weight of the holding material.
- a cigarette filter including a filter section including the fragrance-carrying adsorbent particles of the present invention. Furthermore, according to the 3rd side surface of this invention, the cigarette with a filter provided with the cigarette rod and the cigarette filter of this invention connected to the end of the said cigarette rod is provided.
- a liquid fragrance releasing composition containing a fragrance and a fragrance holding material is stirred while adsorbent core particles having a BET specific surface area of 700 m 2 / g or more are stirred under reduced pressure.
- a method for producing perfume-carrying adsorbent particles characterized by spraying the adsorbent core particles.
- fragrance-carrying adsorbent particles carrying a relatively large amount of fragrance are provided in a relatively short time of processing.
- the perfume-carrying adsorbent particles of the present invention comprise adsorbent core particles and an aroma generating medium that is supported on the surface of the adsorbent core particles and includes a perfume and a perfume holding material that holds the perfume.
- the perfume holding material is present in an amount of 5-20% of the total weight of the perfume-carrying adsorbent particles, and the perfume is present in an amount of 10-50% of the weight of the holding material.
- the adsorbent core particles used in the present invention have a BET specific surface area of 700 m 2 / g or more.
- the BET specific surface area refers to a specific surface area determined according to a known BET method.
- the adsorption capacity is based on acetone, which is one of typical components in cigarette mainstream smoke.
- the adsorbent core particles preferably have a BET specific surface area of 1000 m 2 / g or more.
- the BET specific surface area of the adsorbent core particles is usually 2000 m 2 / g or less.
- Examples of such adsorbent core particles include activated carbon particles, zeolite particles, and silica gel particles.
- the adsorbent core particles preferably have an average particle size of 75 to 1000 ⁇ m.
- particles having an average particle size of 75 ⁇ m to 600 ⁇ m can be suitably used.
- the aroma generating medium that covers the surface of the adsorbent core particles includes a fragrance and a fragrance holding material that holds the fragrance.
- fragrances include hydrophilic fragrances and hydrophobic fragrances.
- hydrophilic flavors include leaf tobacco extract, natural plant flavors (eg, licorice, St. John's bread, plum extract, peach extract, etc.), acids (eg, malic acid, tartaric acid, citric acid, butyric acid, etc.), sugars ( For example, glucose, fructose, isomerized sugar, etc.).
- hydrophobic fragrances include menthol, cocoa (powder, extract, etc.), esters (eg, isoamyl acetate, linalyl acetate, isoamyl propionate, linalyl butyrate, etc.), natural essential oils (vegetable essential oils such as vanilla, for example) Extracts, spearmint, peppermint, cassia, jasmine, etc .; animal essential oils include, for example, musk, ambergris, civet, castrium, etc., and simple flavors (eg, anethole, limonene, linalool, eugenol, vanillin, etc.).
- the holding material for holding the fragrance includes a film forming material and, if necessary, an emulsifier.
- a typical example of the film forming material used in the present invention is glucan, and examples of glucan include pullulan, maltodextrin, and hydroxypropylcellulose.
- Glucan is water soluble.
- a film-forming material such as glucan can retain a fragrance by incorporating the fragrance into a film formed therefrom.
- the film-forming material can be used for both hydrophilic fragrances and hydrophobic fragrances.
- emulsifiers examples include glycerin fatty acid ester, sucrose fatty acid ester (sugar ester), sorbitan fatty acid ester, propylene glycol fatty acid ester, and lecithin.
- the emulsifier molecules retain the hydrophobic flavor by adsorbing their hydrophobic groups around the oil droplets of the hydrophobic flavor in an aqueous medium and retain the hydrophobic flavor even after drying.
- the fragrance-holding material is present in an amount of 5 to 20%, preferably 5 to 10% of the total weight of the fragrance-carrying adsorbent particles.
- the fragrance is present in an amount of 10 to 50% of the weight of the fragrance holding material.
- the fragrance-carrying adsorbent particles of the present invention can be prepared by spraying a liquid fragrance-releasing composition containing a fragrance and a fragrance holding material onto the adsorbent core particles while stirring the adsorbent core particles under reduced pressure. .
- the fragrance contained in the liquid fragrance releasing composition is as described above, and the fragrance holding material is also as described above.
- the liquid fragrance-releasing composition contains only a hydrophilic fragrance as a fragrance
- the composition usually contains glucan as a film forming material and a hydrophilic fragrance, and further dissolves the glucan and the hydrophilic fragrance. It is preferable to include water as a solvent.
- the aroma release composition includes glucan as a film forming material, water as a glucan solvent, a hydrophobic fragrance (and a hydrophilic fragrance), and an oily solvent (for example, vegetable oil or fat or the like) that dissolves the hydrophobic fragrance.
- glucan as a film forming material
- water as a glucan solvent
- hydrophobic fragrance and a hydrophilic fragrance
- oily solvent for example, vegetable oil or fat or the like
- the adsorbent core particles are placed under a reduced pressure of 12.3 kPa or less, for example, 7.4 to 12.3 kPa, while spraying the liquid aroma release composition. It is preferable. At that time, the adsorbent core particles are preferably at a temperature of 60 ° C. or lower, for example, 40 to 60 ° C.
- a liquid fragrance release composition containing a fragrance and a fragrance holding material under reduced pressure, a large amount of the fragrance can be supported on the adsorbent core particles, and a highly viscous fragrance release composition (for example, 2 Pa ⁇ There is also an advantage that a viscosity of about s) can be sprayed from the spray nozzle.
- a conical ribbon mixer / dryer In order to produce the perfume-carrying adsorbent particles of the present invention, a conical ribbon mixer / dryer can be used.
- the conical ribbon mixer / dryer is described in, for example, Japanese Patent Application Laid-Open Nos. 2003-71263, 2003-290641, and 2007-229633, and is commercially available from Okawara Seisakusho.
- FIG. 1 schematically shows an example of a conical ribbon mixer / dryer 10 in cross section.
- the conical ribbon mixing / drying machine 10 includes a processing tank 12 including an inverted conical portion 121 and a cylindrical portion 122 provided on the conical portion 121 in which mixing / drying processing is performed.
- a double spiral ribbon rotor blade 14 is provided in the treatment tank 12.
- the spiral ribbon rotor 14 is attached to a plurality of support bars (support bars 18a to 18e in FIG. 1) fixed to a rotary shaft 16 extending vertically in the center of the processing tank 12 and spaced from each other. It has been.
- vortex breakers 20a and 20b On the inner wall of the cylindrical portion 122 of the treatment tank 12 above the rotor blades 14, for example, vortex breakers 20a and 20b made of a pair of plate-like bodies are fixed.
- the vortex breakers 20a and 20b move the processed material (in the present invention, adsorbent particles) that has risen along the inner wall of the processing tank 12 by the ribbon rotor blade 14 to the vicinity of the center of the processing tank 12 and the processing tank 12. It will be dropped at the bottom.
- a jacket 22 surrounds the outer periphery of the treatment tank 12, and steam is introduced into the jacket 22 from the steam inlet 22a via the line L1 in order to heat the container contents, and the steam is discharged from the steam. It is discharged out of the system from the outlet 22b via the line L2.
- the upper opening of the container is closed by the top plate 24.
- a motor 26 and a speed reducer 28 are installed on the top plate 24, and an output shaft of the speed reducer 28 is connected to a rotary shaft 16 installed in the processing tank 12.
- the top plate 24 is provided with an inlet 24a for an object to be processed (in the case of the present invention, adsorbent core particles), and at the bottom of the processing tank 12, the object to be processed (in the case of the present invention, a fragrance-carrying adsorbent). Particle) discharge port 12a is provided.
- a bag filter 30 is attached to the top plate 24.
- This bag filter captures particulate matter (adsorbent particles in the case of the present invention) in the contents of the treatment tank 12 and passes volatiles (in the case of the present invention, water in the fragrance-releasing composition). Is led to the condenser 32 via the line L3.
- the condenser 32 is constituted by, for example, a water-cooled cooler, and volatile substances pass through the inner cylinder 321.
- the volatile substances are cooled by cooling water introduced from the line L5 into the outer cylinder 322, and condensed from the line L6. It is discharged as a liquid (water).
- the water introduced into the outer cylinder 322 is discharged from the line L5. It is connected to the decompression pump P1 via the inner cylinder line L7, and the inside of the processing tank 12 is decompressed by driving the decompression pump P1.
- a liquid aroma release composition is introduced into the treatment tank 12.
- a spray nozzle 34 is provided through the top plate 24, and a liquid fragrance releasing composition is fed into the treatment tank 12 from a container 36 containing the liquid fragrance releasing composition LFC via a line L8 provided with a liquid feed pump P2.
- a temperature sensor 38 for example, a thermocouple 38 for measuring the temperature of the adsorbent particles in the processing tank 12 is provided below the processing tank 12.
- the adsorbent core particles AP contained in the container 40 are placed in a line L9 in the processing tank 12.
- the treatment tank 12 By introducing steam at a temperature of 80 ° C. or higher, preferably 100 to 120 ° C. into the jacket 22, the inside of the treatment tank 12 is heated, and the motor 26 is driven to rotate the double spiral ribbon rotor blade 14 for adsorption.
- the liquid fragrance releasing composition contained in the container 36 is sprayed into the treatment tank 12 from the spray nozzle 34 through the line L8 by driving the liquid feeding pump P2.
- the temperature of the adsorbent particles is preferably maintained at 70 ° C. or lower, preferably 60 ° C. or lower.
- the temperature of the adsorbent particles is such that when the water in the liquid fragrance-releasing composition introduced into the treatment tank 12 is heated and evaporated by the steam of 80 ° C. or more introduced into the jacket 22, it is adsorbed. It can be maintained by the heat of evaporation taken away from the agent particles.
- the perfume-carrying adsorbent particles produced in this way are only water is volatilized and removed during production, and the components other than water in the liquid aroma release composition applied to the adsorbent core particles during production are Almost all are supported on the adsorbent core particles. Therefore, the liquid fragrance releasing composition applied to the adsorbent core particles includes a perfume holding material in an amount corresponding to 5 to 20%, preferably 5 to 10% of the weight of the adsorbent core particles used, And a fragrance in an amount corresponding to 10 to 50% of the weight of the fragrance-holding material contained in the liquid fragrance-releasing composition.
- flavor release composition especially the one part aqueous solution or aqueous dispersion of a film formation material can be previously applied to adsorbent core particle.
- Pre-application of an aqueous solution or aqueous dispersion of a part of the film-forming material suppresses the temperature rise of the adsorbent core particles in the initial stage of production of the perfume-carrying adsorbent particles and suppresses the generation of fine powder from the adsorbent.
- the perfume-carrying adsorbent particles of the present invention have an adsorption capacity corresponding to 50% or more of the specific adsorption capacity of the adsorbent core particles, preferably 70% of the specific adsorption capacity of the adsorbent core particles. Adsorption ability equivalent to the above, more preferably, adsorption ability corresponding to 90% to almost 100% of the intrinsic adsorption ability of the adsorbent core particles can be exhibited.
- the initial state refers to a state before the perfume-carrying adsorbent particles come into contact with cigarette mainstream smoke.
- the intrinsic adsorption capacity of adsorbent core particles is based on acetone in cigarette mainstream smoke.
- the perfume-carrying adsorbent particles of the present invention can adsorb components in cigarette mainstream smoke as soon as they come into contact with cigarette mainstream smoke.
- the perfume-holding material in the aroma generating medium of the perfume-carrying adsorbent particles dissolves due to polar components in the cigarette mainstream smoke, particularly moisture, and the adsorption capacity gradually increases. . Needless to say, the fragrance is hardly released from the fragrance generating medium during storage.
- the cigarette filter according to the second aspect of the present invention includes a filter section including the fragrance-carrying adsorbent particles of the present invention. And the cigarette with a filter by the 3rd side surface of this invention is connected to the cigarette rod and the end of the said cigarette rod, and the cigarette with a filter provided with the filter of this invention is provided.
- the cigarette filter according to the present invention can include a filter section in which the perfume-carrying adsorbent particles of the present invention are dispersed in a normal filter material such as cellulose acetate fiber tow (bound by a plasticizer such as triacetin).
- a so-called plain filter section (for example, made of cellulose acetate tow bound by a plasticizer such as triacetin) can be connected to one end of the filter section.
- a cigarette filter according to the present invention may include two plane filter sections that are spaced apart and the perfume-carrying adsorbent particles of the present invention filled in a space between the two plane filter sections.
- FIG. 2 is a schematic cross-sectional view of a cigarette (a cigarette with a filter) 50 including a cigarette filter according to one aspect of the present invention.
- the cigarette 50 with a filter includes a cigarette rod 52 in which a tobacco filler 521 such as a tobacco cut is wound with a cigarette wrapping paper 522.
- the cigarette rod 52 is the same as a normal cigarette.
- a filter 54 is attached to one end of the cigarette rod 52.
- the filter 54 includes a perfume-carrying adsorbent particle-containing filter section 541 provided in direct contact with one end of the cigarette rod 52, and a plain filter section 542 provided at the downstream end of the filter section 541 with respect to the mainstream smoke flow direction. .
- the perfume-carrying adsorbent particle-containing filter section 541 is obtained by winding, for example, cellulose acetate fiber 541a in which perfume-carrying adsorbent particles FCA are dispersed with a filter web 541b, and is manufactured by the same method as a normal charcoal filter. Can do.
- the plain filter section 542 is formed, for example, by winding a tow of cellulose acetate fiber 542a with a filter web 542b.
- the filter 54 composed of the filter sections 541 and 542 is attached to the cigarette rod 52 by a chip paper 56 in the same manner as an ordinary cigarette with a filter.
- FIG. 3 is a schematic cross-sectional view of a cigarette (a cigarette with a filter) 60 provided with a cigarette filter according to another aspect of the present invention.
- the filter 62 attached to the cigarette rod 52 by the chip paper 56 includes a first plane filter section 621 attached directly to one end of the cigarette rod 52, and the first plane filter section 621.
- a second plain filter section 622 is provided at a distance, and is entirely wound by a filter web 66.
- the first and second plane filter sections 621 and 622 have the same configuration as the plane filter section shown in FIG.
- a space (cavity) 64 between the first plane filter section 621 and the second plane filter section 622 is filled with the fragrance-carrying adsorbent particles FCA of the present invention.
- medium chain fatty acid triglyceride Kacon Co., Ltd. MT was used.
- lecithin Nisshin Oilio LP-20E was used.
- sugar ester P-1570 manufactured by Mitsubishi Chemical Foods Co., Ltd. was used.
- Example 1 a conical ribbon mixer / dryer ribocorn RM-50-SR manufactured by Okawara Seisakusho was used (see FIG. 1). 15 kg of activated carbon (Kuraray Chemical GGS-H28 / 70 manufactured by Kuraray Chemical Co., Ltd .; average particle size: 0.4 mm; BET specific surface area: 1700 m 2 / g) and 6 kg of 5% by weight pullulan aqueous solution were put into the mixer / dryer, and the jacket Steam at a temperature of 120 ° C.
- activated carbon Karl Chemical GGS-H28 / 70 manufactured by Kuraray Chemical Co., Ltd .
- average particle size 0.4 mm
- BET specific surface area 1700 m 2 / g
- Example 2 A perfume-carrying adsorbent particle product was obtained in the same procedure as in Example 1 except that the liquid aroma release composition B was used instead of the liquid aroma release composition A.
- Example 3 A perfume-carrying adsorbent particle product was obtained in the same procedure as in Example 1 except that the liquid aroma release composition C was used instead of the liquid aroma release composition A.
- Example 4 A perfume-carrying adsorbent particle product was obtained in the same procedure as in Example 1 except that the liquid aroma release composition D was used instead of the liquid aroma release composition A.
- a cigarette with a filter having the structure shown in FIG. 3 was produced. Specifically, after removing the cellulose acetate fiber tow which is a filter material with tweezers from a commercially available cigarette product with a filter having a filter having a cellulose acetate fiber tow as a filter material ⁇ Winston Light '', Filled with cellulose acetate fiber tow (length: 10 mm; 2.5 Y / 35000 (ie, single denier 2.5 denier; filament cross section Y type; total fineness 35000 denier)), the perfume-carrying adsorption obtained in Examples 1 to 4 3 mg of agent particles (the length of the space 64 in the axial direction of the cigarette rod 64 is 2 mm), and finally the cellulose acetate fiber tow (length 10 mm; 2.5Y / 35000) is filled, and the structure shown in FIG.
- a cigarette with a filter was produced. Further, in place of the fragrance-carrying adsorbent particles obtained in Examples 1 to 4, the same as above except that 30 mg of activated carbon (Kuraray Chemical GGS-H28 / 70 manufactured by Kuraray Chemical Co., Ltd.) not carrying fragrance was used as it was. Then, a cigarette with a filter (hereinafter referred to as a control cigarette) was produced.
- activated carbon Karl Chemical GGS-H28 / 70 manufactured by Kuraray Chemical Co., Ltd.
- Example 4 Experimental Example The cigarette with a filter produced in Example 4 was smoked, and the acetone adsorption ability in the mainstream smoke was examined.
- the apparatus 70 includes a Cambridge filter 711 (diameter 47 mm) and a particulate matter trap 71 including a cigarette mainstream smoke inflow port 71a and a cigarette mainstream smoke outflow port 71b for holding a cigarette CIG.
- the device 70 includes an impinger 72.
- a chemical TA that captures gas phase components in the mainstream smoke of tobacco is accommodated.
- 10 mL of methanol containing 200 ppm of anethole as an internal standard substance was added as a chemical solution TA.
- the impinger 72 is accommodated in a dewar bottle 73 that contains a refrigerant RM for maintaining the captured chemical solution TA at a low temperature.
- a refrigerant RM for maintaining the captured chemical solution TA at a low temperature.
- a mixture of dry ice and isopropanol was used as the refrigerant RM, and the trapping chemical solution TA was maintained at a temperature of ⁇ 70 ° C. or lower during the experiment.
- a conduit 74 extending into the chemical TA in the impinger 72 is connected to the outflow port 71 b of the particulate matter trap 71.
- a conduit 75 extending into the space above the captured drug solution TA in the impinger 71 is connected to the suction port 76a of the automatic smoker 76.
- the pressure in the impinger 72 is reduced by suction through the conduit 75, and the cigarette mainstream smoke passes through the Cambridge filter 711 in the trap 71.
- the particulate matter in the tobacco mainstream smoke is captured by the Cambridge filter 711, the mainstream smoke from which the particulate matter has been removed is introduced into the captured chemical TA within the impinger 72 via the conduit 74, and bubbling occurs.
- the gas phase component in the mainstream smoke is captured by the captured chemical TA.
- Example 4 the cigarette produced in Example 4 was set in the trap 71, and smoked under the standard smoking conditions of ISO (1 puff: 35 mL smoke in 2 seconds, puff interval: 58 seconds) by the automatic smoker 76. It was. After the end of smoking, the drug solution in the impinger 72 was transferred to a serum bottle, and a Cambridge filter 711 that trapped particulate matter was placed therein, and extracted by shaking at 250 times / minute for 30 minutes. 1 mL of this extract was placed in a GC / MS analysis vial, and components in mainstream smoke were analyzed under the following conditions.
- Injection split ratio 10: 1; inlet 220 ° C .; flow rate 12 mL / min; total flow rate 16.2 mL / min
- MS conditions scan parameters 33.0-200.0; threshold 50; MS ion source 230 ° C .; MS Quadrupole 150 ° C.
- the same analysis was conducted using a cigarette with a plain filter (a cigarette rod of a commercially available cigarette product with a filter “Winston Light”), and a plain filter made of cellulose acetate fiber tow (length 20 mm; 2.5 Y / 70,000) at one end.
- the control cigarette was connected to the above-mentioned reference cigarette).
- Acetone peak area values were calculated from the analysis results of the filtered cigarette, control cigarette, and reference cigarette of Example 4, respectively, and the acetone peak area values for the filtered cigarette and control cigarette of Example 4 were calculated for the reference cigarette, respectively. Dividing by the acetone peak area value, the value was multiplied by 100 to obtain the acetone reduction rate (%), and the acetone adsorption rate was calculated by subtracting the acetone reduction rate (%) from 100%. As a result, the acetone adsorption rate for the control cigarette was 48%, and the acetone adsorption rate for the filter-attached cigarette of Example 4 was 45%.
- Example 4 shows that the perfume-carrying adsorbent particles of Example 4 have an adsorption capacity corresponding to about 94% of the intrinsic adsorption capacity of the adsorbent core particles. That is, the cigarette with a filter of Example 4 showed almost the same adsorption ability, although the adsorption ability was somewhat lower than that of the control cigarette containing activated carbon not carrying a fragrance.
- the filter cigarettes produced in Examples 1 to 3 also showed the same adsorption ability as that of the cigarette with filter of Example 4.
- the perfume-carrying particles of the comparative example were prepared according to Examples 1 to 3 of the prior art document (WO2008 / 072627), and the amount of the perfume carried and the amount of the perfume-holding material were similarly measured for the prepared perfume-carrying particles. .
- the perfume-carrying particles of the comparative example were prepared as follows.
- Comparative Example 1 (Example 1 of the prior art document) 2% by weight of coffee oil was added to a 10% by weight pullulan aqueous dispersion prepared beforehand. This mixed solution was vigorously stirred in an emulsifier (emulsifier rotation speed: 2500 rpm) to prepare a fragrance dispersion. On the other hand, 100 g of calcium carbonate particles having an average particle diameter of 250 ⁇ m were put into a fluidized granulation dryer, and the above fragrance dispersion was quickly sprayed intermittently (spraying for 1 minute while blowing warm air at 75 ° C. at a flow rate of 0.6 m / second.
- emulsifier rotation speed 2500 rpm
- the spray stop cycle was repeated, and a total of 10 g of the fragrance dispersion was sprayed on the surface of the calcium carbonate particles and dried. Thereafter, the inside of the fluidized bed was quickly cooled to room temperature to obtain desired fragrance beads.
- Comparative Example 2 (Example 2 of the prior art document) 100 g of calcium carbonate particles having an average particle size of 250 ⁇ m are placed in a fluidized granulation dryer, and 1% by weight of a tobacco fragrance to which vanillin is added and 9% by weight of pullulan while blowing warm air at 30 ° C. at a flow rate of 1.0 m / second. A total of 5 g of the mixed aqueous solution was sprayed on the surface of the calcium carbonate particles and dried. Thereafter, the temperature of the hot air was quickly lowered to room temperature and cooled at a flow rate of 0.4 m / sec to obtain desired fragrance beads.
- Comparative Example 3 (Example 3 of the prior art document) 1% by weight of coffee oil and 0.5% by weight of lecithin were added to a 10% by weight pullulan aqueous dispersion prepared beforehand. This liquid mixture was vigorously stirred in an emulsifier (emulsifier rotation speed: 7500 rpm, 15 minutes) to prepare a perfume dispersion. On the other hand, 300 g of ground coffee bean particles having an average particle size of 250 ⁇ m to 1.4 mm are put into a rolling fluidized granulator (SFC-MINI manufactured by Freund Sangyo Co., Ltd.), and the bottom rotating plate is about 500 rpm, preventing granulation. The stirrer blade was rotated at about 400 rpm, and 75 ° C.
- SFC-MINI rolling fluidized granulator
- the amount of the fragrance and the amount of the fragrance retaining material were measured as follows.
- Perfume measurement The perfume-carrying particles were extracted by shaking with purified water / methanol mixture. The extract was subjected to a gas chromatograph mass spectrometer (GC / MS), and the fragrance was measured.
- GC / MS gas chromatograph mass spectrometer
- Perfume retention material measurement The perfume-carrying particles were weighed (weight A) and dried by heating for the purpose of removing moisture in the particles (weight B after drying). Purified water was added to the dried particles, and extraction was performed by shaking to elute the fragrance retaining material. The extracted particles were further dried by heating (weight C after drying). The difference between the weight C and the weight A was defined as the amount of the fragrance retaining material.
- FIG. 5 shows the amount of the fragrance carried and the amount of the fragrance holding material as a ratio (% by weight) to the total weight of the fragrance carrying particles.
- FIG. 5 shows that the perfume-carrying particles of the present invention carry a larger amount of perfume than the perfume-carrying particles of the comparative example.
- fragrance-carrying particles of the present invention could be prepared in a shorter time than the fragrance-carrying particles of the comparative example.
- condenser outer cylinder P1 ... vacuum pump, 34 ... spray nozzle, 36 ... liquid fragrance release composition Material (LFC) container, P2 ... liquid feed pump, 38 ... temperature sensor, 40 ... adsorbent core particle (AP) container, 50, 60 ... Cigarette with filter, 52 ... Cigarette rod, 521 ... Cigarette filler, 522 ... Cigarette paper, 54, 62 ... Filter, 541 ... Filter section with fragrance-carrying adsorbent particles, 542 ... Plain filter section, FCA ... Fragrance Supported adsorbent particles, 541a, 542a ... cellulose acetate fiber, 541b, 542b, 66 ... filter web, 56 ...
- chip paper 621 ... first plain filter section, 622 ... second plain filter section, 64 ... cavity, 70 ... Cigarette mainstream smoke component capture device, 711 ... Cambridge filter, CIG ... cigarette, 71 ... particulate matter trap, 71a ... tobacco mainstream smoke inlet port, 71b ... tobacco mainstream smoke outlet port, 72 ... impinger, TA ... Chemical solution for capturing gas phase components in mainstream cigarette smoke, 73 ... Dewar bottle, RM ... Refrigerant, 74, 75 ... Conduit, 76 ... Automatic smoker, 76a ... Suction port
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Abstract
Description
下記表1に示す成分を同表1に示す割合で含む混合物を、乳化機(プライミクス社製ROBOMICS MARK II)により、7500rpmで、15分間乳化させた。このとき、混合物の温度が45℃を超えないように、乳化機の周りを水で冷却した。こうして、液状の香気放出組成物A~Dを得た。
実施例1
ここでは、大川原製作所製円錐型リボン混合/乾燥機リボコーンRM-50-SRを用いた(図1参照)。活性炭(クラレケミカル社製クラレコールGGS-H28/70;平均粒径:0.4mm;BET比表面積:1700m2/g)15kgと5重量%プルラン水溶液6kgを上記混合/乾燥機に投入し、ジャケット内に200kPaの圧力下にある温度120℃のスチームを循環させ、混合/乾燥機内の圧力を12.3kPaに設定し、活性炭を攪拌した。5分間攪拌を行った後、液状の香気放出組成物A7.5kgをスプレーノズルから混合/乾燥機内に60分間掛けて噴霧した後、5分間さらに攪拌乾燥を行った。香料担持吸着剤粒子を混合/混合/乾燥機から取り出し、速やかに連続流動造粒乾燥装置(大川原製作所製ミクスグラード0.5型)に入れ、3分間、活性炭粒子中の顕熱交換および除湿を行い、香料担持吸着剤粒子製品を得た。
液状の香気放出組成物Aの代わりに、液状の香気放出組成物Bを用いた以外は実施例1と同様の手順で香料担持吸着剤粒子製品を得た。
液状の香気放出組成物Aの代わりに、液状の香気放出組成物Cを用いた以外は実施例1と同様の手順で香料担持吸着剤粒子製品を得た。
液状の香気放出組成物Aの代わりに、液状の香気放出組成物Dを用いた以外は実施例1と同様の手順で香料担持吸着剤粒子製品を得た。
図3に示す構造のフィルタ付きシガレットを作製した。具体的には、フィルタ素材としてセルロースアセテート繊維トウを有するフィルタを備えた市販のフィルタ付きシガレット製品「ウィンストンライト」から、フィルタ素材であるセルロースアセテート繊維トウをピンセットで取り除いた後、その空洞部に、セルロースアセテート繊維トウ(長さ10mm;2.5Y/35000(すなわち、単繊度2.5デニール;フィラメント断面Y型;総繊度35000デニール))を充填し、実施例1~4で得た香料担持吸着剤粒子30mg(シガレットロッドの軸方向の空間部64の長さ2mm)を充填し、最後にセルロースアセテート繊維トウ(長さ10mm;2.5Y/35000)を充填して、図3に示す構造のフィルタ付きシガレットを作製した。また、実施例1~4で得た香料担持吸着剤粒子の代わりに、香料を担持していない活性炭(クラレケミカル社製クラレコールGGS-H28/70)30mgをそのまま用いた以外は、上記と同様に、フィルタ付きシガレット(以下、対照シガレットという)を作製した。
活性炭に対し、エタノール中5重量%l-メントール溶液だけを噴霧した以外は、実施例1と同様に香料担持吸着剤粒子を調製した。この香料担持吸着剤粒子を用いて上記と同様にフィルタ付きシガレットを作製した。このフィルタ付きシガレットを喫煙したが、香料からの香気は認められなかった。
実施例4で作製したフィルタ付きシガレットを吸煙し、主流煙中のアセトン吸着能を調べた。
・GC/MS:ヒューレット・パッカード製HP7890/5975
・カラム:DB-1701
・カラム流量:1.2mL/分
・昇温条件:60℃で5分間保持した後、5℃/分で160℃まで昇温し、10℃/分で250℃まで昇温し、30分間保持した。
・MS条件:スキャンパラメータ33.0~200.0;スレッショルド50;MSイオン源230℃;MS四重極150℃。
活性炭を比表面積が700m2/gおよび1000m2/gの活性炭30mgに置き換えた以外は上記対照シガレットと同様の2種のフィルタ付きシガレットを作製した。これらシガレットについて上と同様にしてアセトン吸着率を調べたところ、前者のシガレットが23%であり、後者のシガレットが34%であった。このことから、比表面積が700m2/g以上であれば、シガレット主流煙中の成分に対する吸着に効果があることがわかる。
実施例1~4で得た香料担持粒子について、担持された香料の量および香料保持材の量を測定した。
予め調製したプルラン10重量%のプルラン水分散液に、コーヒーオイル2重量%を添加した。この混合液を、乳化機中で強攪拌(乳化機回転数2500rpm)し、香料分散液を調製した。他方、平均粒径250μmの炭酸カルシウム粒子100gを流動造粒乾燥機に入れ、75℃の温風を0.6m/秒の流速で吹き込みながら、速やかに上記香料分散液を間欠噴霧(噴霧1分後30分噴霧停止サイクルの繰り返し)し、合計10gの香料分散液を炭酸カルシウム粒子表面に噴霧し、乾燥した。その後、速やかに流動層内を室温まで冷却し、所望の香料ビーズを得た。
平均粒径250μmの炭酸カルシウム粒子100gを流動造粒乾燥機に入れ、30℃の温風を1.0m/秒の流速で吹き込みながら、バニリンを添加したタバコ用香料1重量%とプルラン9重量%を含む香料混合水溶液を連続的に噴霧し、合計5gの混合水溶液を炭酸カルシウム粒子表面に噴霧し、乾燥した。その後、速やかに温風温度を室温まで下げ、0.4m/秒の流速で冷却し、所望の香料ビーズを得た。
予め調製したプルラン10重量%のプルラン水分散液に、コーヒーオイル1重量%およびレシチン0.5重量%を添加した。この混合液を、乳化機中で強攪拌(乳化機回転数7500rpm、15分)し、香料分散液を調製した。他方、平均粒径250μm~1.4mmの粉砕コーヒー豆粒子300gを転動流動造粒乾燥機(フロイント産業(株)製SFC-MINI)に入れ、底部回転目皿板を約500rpm、造粒防止用攪拌翼を約400rpmで回転させ、75℃の温風を0.6m/秒の流速で吹き込み、粉砕コーヒー豆粒子の流動層を形成した。この流動層へ、上記香料分散液を40℃に保温しながら、連続的に噴霧することにより、合計90gの香料分散液をコーヒー豆粒子表面に噴霧し、乾燥した。その後、速やかに温風温度を室温まで下げ、0.4m/秒の秒速で冷却し、所望の香料ビーズを得た。
香料担持粒子に、精製水・メタノール混液にて振とう抽出を行った。抽出液をガスクロマトグラフ質量分析計(GC/MS)に供し、香料を測定した。
香料担持粒子を秤量し(重量A)、粒子内水分の除去を目的として加熱乾燥した(乾燥後の重量B)。乾燥後の粒子に精製水を加え振とう抽出を行い、香料保持材を溶出した。抽出後の粒子をさらに加熱乾燥した(乾燥後の重量C)。重量Cと重量Aの差分を香料保持材量とした。
50,60…フィルタ付きシガレット、52…シガレットロッド、521…タバコ充填材、522…シガレット巻紙、54,62…フィルタ、541…香料担持吸着剤粒子入りフィルタセクション、542…プレーンフィルタセクション、FCA…香料担持吸着剤粒子、541a,542a…セルロースアセテート繊維、541b,542b,66…フィルタ巻取紙、56…チップペーパ、621…第1のプレーンフィルタセクション、622…第2のプレーンフィルタセクション、64…キャビティ、
70…シガレット主流煙中成分補足装置、711…ケンブリッジフィルタ、CIG…シガレット、71…粒状物質の捕捉器、71a…タバコ主流煙流入ポート、71b…タバコ主流煙流出ポート、72…インピンジャー、TA…タバコ主流煙中の気相成分を捕捉する薬液、73…デュアー瓶、RM…冷媒、74,75…導管、76…自動喫煙器、76a…吸引ポート
Claims (9)
- 700m2/g以上のBET比表面積を有する吸着剤核粒子と、前記吸着剤核粒子の表面に担持され、香料および前記香料を保持する香料保持材を含む香気発生媒体とを備える香料担持吸着剤粒子であって、前記香料保持材は前記香料担持吸着剤粒子の総重量の5~20%の量で存在し、前記香料は、前記保持材の重量の10~50%の量で存在することを特徴とする香料担持吸着剤粒子。
- 前記香料保持吸着剤粒子が、初期状態において、前記吸着剤核粒子の固有のアセトン吸着能の50%以上のアセトン吸着能を示すことを特徴とする請求項1に記載の香料担持吸着剤粒子。
- 請求項1に記載の香料担持吸着剤粒子であって、700m2/g以上のBET比表面積を有する吸着剤核粒子を減圧下に攪拌しながら、香料と香料保持材を含む液状の香気放出組成物を前記吸着剤核粒子に噴霧することにより製造されることを特徴とする香料担持吸着剤粒子。
- 請求項1~3のいずれか一項に記載の香料担持吸着剤粒子を含むフィルタセクションを備えるシガレットフィルタ。
- シガレットロッドと、前記シガレットロッドの一端に接続され、請求項4に記載のフィルタを備えるフィルタ付きシガレット。
- 700m2/g以上のBET比表面積を有する吸着剤核粒子を減圧下に攪拌しながら、香料と香料保持材を含む液状の香気放出組成物を前記吸着剤核粒子に噴霧することを特徴とする香料担持吸着剤粒子の製造方法。
- 前記液状の香気放出組成物が、前記香料保持材を前記香料担持吸着剤粒子の総重量の5~20%の量で含有し、前記香料を前記香料保持材の重量の10~50%の量で含有することを特徴とする請求項6に記載の香料担持吸着剤粒子の製造方法。
- 前記減圧は、12.3kPa以下の圧力であることを特徴とする請求項6または7に記載の香料担持吸着剤粒子の製造方法。
- 前記噴霧中に、前記吸着剤核粒子を60℃以下の温度に維持することを特徴とする請求項6~8のいずれか一項に記載の香料担持吸着剤粒子の製造方法。
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CN113558290A (zh) * | 2021-08-26 | 2021-10-29 | 上海烟草集团有限责任公司 | 一种降低卷烟烟气中丙酮的方法 |
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Also Published As
Publication number | Publication date |
---|---|
EP2738244A1 (en) | 2014-06-04 |
TW201313142A (zh) | 2013-04-01 |
KR20140038549A (ko) | 2014-03-28 |
US20140123991A1 (en) | 2014-05-08 |
EP2738244B1 (en) | 2019-03-20 |
RU2561991C1 (ru) | 2015-09-10 |
HK1192275A1 (zh) | 2014-08-15 |
TWI587796B (zh) | 2017-06-21 |
JPWO2013011898A1 (ja) | 2015-02-23 |
EP2738244A4 (en) | 2015-04-08 |
UA110845C2 (uk) | 2016-02-25 |
CN103703116A (zh) | 2014-04-02 |
MY170282A (en) | 2019-07-16 |
RU2014105586A (ru) | 2015-08-27 |
JP5719931B2 (ja) | 2015-05-20 |
CN103703116B (zh) | 2016-07-06 |
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